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<pre class="sourceHeading">          Line data    Source code</pre>
<pre class="source">
<a name="1"><span class="lineNum">       1 </span>            : // nonstandard construct and destroy functions -*- C++ -*-</a>
<span class="lineNum">       2 </span>            : 
<span class="lineNum">       3 </span>            : // Copyright (C) 2001-2015 Free Software Foundation, Inc.
<span class="lineNum">       4 </span>            : //
<span class="lineNum">       5 </span>            : // This file is part of the GNU ISO C++ Library.  This library is free
<span class="lineNum">       6 </span>            : // software; you can redistribute it and/or modify it under the
<span class="lineNum">       7 </span>            : // terms of the GNU General Public License as published by the
<span class="lineNum">       8 </span>            : // Free Software Foundation; either version 3, or (at your option)
<span class="lineNum">       9 </span>            : // any later version.
<span class="lineNum">      10 </span>            : 
<span class="lineNum">      11 </span>            : // This library is distributed in the hope that it will be useful,
<span class="lineNum">      12 </span>            : // but WITHOUT ANY WARRANTY; without even the implied warranty of
<span class="lineNum">      13 </span>            : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
<span class="lineNum">      14 </span>            : // GNU General Public License for more details.
<span class="lineNum">      15 </span>            : 
<span class="lineNum">      16 </span>            : // Under Section 7 of GPL version 3, you are granted additional
<span class="lineNum">      17 </span>            : // permissions described in the GCC Runtime Library Exception, version
<span class="lineNum">      18 </span>            : // 3.1, as published by the Free Software Foundation.
<span class="lineNum">      19 </span>            : 
<span class="lineNum">      20 </span>            : // You should have received a copy of the GNU General Public License and
<span class="lineNum">      21 </span>            : // a copy of the GCC Runtime Library Exception along with this program;
<span class="lineNum">      22 </span>            : // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
<span class="lineNum">      23 </span>            : // &lt;http://www.gnu.org/licenses/&gt;.
<span class="lineNum">      24 </span>            : 
<span class="lineNum">      25 </span>            : /*
<span class="lineNum">      26 </span>            :  *
<span class="lineNum">      27 </span>            :  * Copyright (c) 1994
<span class="lineNum">      28 </span>            :  * Hewlett-Packard Company
<span class="lineNum">      29 </span>            :  *
<span class="lineNum">      30 </span>            :  * Permission to use, copy, modify, distribute and sell this software
<span class="lineNum">      31 </span>            :  * and its documentation for any purpose is hereby granted without fee,
<span class="lineNum">      32 </span>            :  * provided that the above copyright notice appear in all copies and
<span class="lineNum">      33 </span>            :  * that both that copyright notice and this permission notice appear
<span class="lineNum">      34 </span>            :  * in supporting documentation.  Hewlett-Packard Company makes no
<span class="lineNum">      35 </span>            :  * representations about the suitability of this software for any
<span class="lineNum">      36 </span>            :  * purpose.  It is provided &quot;as is&quot; without express or implied warranty.
<span class="lineNum">      37 </span>            :  *
<span class="lineNum">      38 </span>            :  *
<span class="lineNum">      39 </span>            :  * Copyright (c) 1996,1997
<span class="lineNum">      40 </span>            :  * Silicon Graphics Computer Systems, Inc.
<span class="lineNum">      41 </span>            :  *
<span class="lineNum">      42 </span>            :  * Permission to use, copy, modify, distribute and sell this software
<span class="lineNum">      43 </span>            :  * and its documentation for any purpose is hereby granted without fee,
<span class="lineNum">      44 </span>            :  * provided that the above copyright notice appear in all copies and
<span class="lineNum">      45 </span>            :  * that both that copyright notice and this permission notice appear
<span class="lineNum">      46 </span>            :  * in supporting documentation.  Silicon Graphics makes no
<span class="lineNum">      47 </span>            :  * representations about the suitability of this software for any
<span class="lineNum">      48 </span>            :  * purpose.  It is provided &quot;as is&quot; without express or implied warranty.
<span class="lineNum">      49 </span>            :  */
<span class="lineNum">      50 </span>            : 
<span class="lineNum">      51 </span>            : /** @file bits/stl_construct.h
<span class="lineNum">      52 </span>            :  *  This is an internal header file, included by other library headers.
<span class="lineNum">      53 </span>            :  *  Do not attempt to use it directly. @headername{memory}
<span class="lineNum">      54 </span>            :  */
<span class="lineNum">      55 </span>            : 
<span class="lineNum">      56 </span>            : #ifndef _STL_CONSTRUCT_H
<span class="lineNum">      57 </span>            : #define _STL_CONSTRUCT_H 1
<span class="lineNum">      58 </span>            : 
<span class="lineNum">      59 </span>            : #include &lt;new&gt;
<span class="lineNum">      60 </span>            : #include &lt;bits/move.h&gt;
<span class="lineNum">      61 </span>            : #include &lt;ext/alloc_traits.h&gt;
<span class="lineNum">      62 </span>            : 
<span class="lineNum">      63 </span>            : namespace std _GLIBCXX_VISIBILITY(default)
<span class="lineNum">      64 </span>            : {
<span class="lineNum">      65 </span>            : _GLIBCXX_BEGIN_NAMESPACE_VERSION
<span class="lineNum">      66 </span>            : 
<span class="lineNum">      67 </span>            :   /**
<span class="lineNum">      68 </span>            :    * Constructs an object in existing memory by invoking an allocated
<span class="lineNum">      69 </span>            :    * object's constructor with an initializer.
<span class="lineNum">      70 </span>            :    */
<span class="lineNum">      71 </span>            : #if __cplusplus &gt;= 201103L
<span class="lineNum">      72 </span>            :   template&lt;typename _T1, typename... _Args&gt;
<span class="lineNum">      73 </span>            :     inline void
<span class="lineNum">      74 </span>            :     _Construct(_T1* __p, _Args&amp;&amp;... __args)
<span class="lineNum">      75 </span>            :     { ::new(static_cast&lt;void*&gt;(__p)) _T1(std::forward&lt;_Args&gt;(__args)...); }
<span class="lineNum">      76 </span>            : #else
<span class="lineNum">      77 </span>            :   template&lt;typename _T1, typename _T2&gt;
<span class="lineNum">      78 </span>            :     inline void
<span class="lineNum">      79 </span>            :     _Construct(_T1* __p, const _T2&amp; __value)
<span class="lineNum">      80 </span>            :     {
<span class="lineNum">      81 </span>            :       // _GLIBCXX_RESOLVE_LIB_DEFECTS
<span class="lineNum">      82 </span>            :       // 402. wrong new expression in [some_]allocator::construct
<span class="lineNum">      83 </span><span class="lineCov">        336 :       ::new(static_cast&lt;void*&gt;(__p)) _T1(__value);</span>
<span class="lineNum">      84 </span>            :     }
<span class="lineNum">      85 </span>            : #endif
<span class="lineNum">      86 </span>            : 
<span class="lineNum">      87 </span>            :   /**
<span class="lineNum">      88 </span>            :    * Destroy the object pointed to by a pointer type.
<span class="lineNum">      89 </span>            :    */
<span class="lineNum">      90 </span>            :   template&lt;typename _Tp&gt;
<span class="lineNum">      91 </span>            :     inline void
<span class="lineNum">      92 </span>            :     _Destroy(_Tp* __pointer)
<span class="lineNum">      93 </span><span class="lineCov">          1 :     { __pointer-&gt;~_Tp(); }</span>
<span class="lineNum">      94 </span>            : 
<span class="lineNum">      95 </span>            :   template&lt;bool&gt;
<span class="lineNum">      96 </span>            :     struct _Destroy_aux
<span class="lineNum">      97 </span>            :     {
<span class="lineNum">      98 </span>            :       template&lt;typename _ForwardIterator&gt;
<span class="lineNum">      99 </span>            :         static void
<span class="lineNum">     100 </span>            :         __destroy(_ForwardIterator __first, _ForwardIterator __last)
<span class="lineNum">     101 </span>            :         {
<span class="lineNum">     102 </span><span class="lineCov">       1084 :           for (; __first != __last; ++__first)</span>
<span class="lineNum">     103 </span>            :             std::_Destroy(std::__addressof(*__first));
<span class="lineNum">     104 </span>            :         }
<span class="lineNum">     105 </span>            :     };
<span class="lineNum">     106 </span>            : 
<span class="lineNum">     107 </span>            :   template&lt;&gt;
<span class="lineNum">     108 </span>            :     struct _Destroy_aux&lt;true&gt;
<span class="lineNum">     109 </span>            :     {
<span class="lineNum">     110 </span>            :       template&lt;typename _ForwardIterator&gt;
<span class="lineNum">     111 </span>            :         static void
<span class="lineNum">     112 </span>            :         __destroy(_ForwardIterator, _ForwardIterator) { }
<span class="lineNum">     113 </span>            :     };
<span class="lineNum">     114 </span>            : 
<span class="lineNum">     115 </span>            :   /**
<span class="lineNum">     116 </span>            :    * Destroy a range of objects.  If the value_type of the object has
<span class="lineNum">     117 </span>            :    * a trivial destructor, the compiler should optimize all of this
<span class="lineNum">     118 </span>            :    * away, otherwise the objects' destructors must be invoked.
<span class="lineNum">     119 </span>            :    */
<span class="lineNum">     120 </span>            :   template&lt;typename _ForwardIterator&gt;
<span class="lineNum">     121 </span>            :     inline void
<span class="lineNum">     122 </span>            :     _Destroy(_ForwardIterator __first, _ForwardIterator __last)
<span class="lineNum">     123 </span>            :     {
<span class="lineNum">     124 </span>            :       typedef typename iterator_traits&lt;_ForwardIterator&gt;::value_type
<span class="lineNum">     125 </span>            :                        _Value_type;
<span class="lineNum">     126 </span>            :       std::_Destroy_aux&lt;__has_trivial_destructor(_Value_type)&gt;::
<span class="lineNum">     127 </span>            :         __destroy(__first, __last);
<span class="lineNum">     128 </span>            :     }
<span class="lineNum">     129 </span>            : 
<span class="lineNum">     130 </span>            :   /**
<span class="lineNum">     131 </span>            :    * Destroy a range of objects using the supplied allocator.  For
<span class="lineNum">     132 </span>            :    * nondefault allocators we do not optimize away invocation of 
<span class="lineNum">     133 </span>            :    * destroy() even if _Tp has a trivial destructor.
<span class="lineNum">     134 </span>            :    */
<span class="lineNum">     135 </span>            : 
<span class="lineNum">     136 </span>            :   template&lt;typename _ForwardIterator, typename _Allocator&gt;
<span class="lineNum">     137 </span>            :     void
<span class="lineNum">     138 </span>            :     _Destroy(_ForwardIterator __first, _ForwardIterator __last,
<span class="lineNum">     139 </span>            :              _Allocator&amp; __alloc)
<span class="lineNum">     140 </span>            :     {
<span class="lineNum">     141 </span>            :       typedef __gnu_cxx::__alloc_traits&lt;_Allocator&gt; __traits;
<span class="lineNum">     142 </span>            :       for (; __first != __last; ++__first)
<span class="lineNum">     143 </span>            :         __traits::destroy(__alloc, std::__addressof(*__first));
<span class="lineNum">     144 </span>            :     }
<span class="lineNum">     145 </span>            : 
<span class="lineNum">     146 </span>            :   template&lt;typename _ForwardIterator, typename _Tp&gt;
<span class="lineNum">     147 </span>            :     inline void
<span class="lineNum">     148 </span>            :     _Destroy(_ForwardIterator __first, _ForwardIterator __last,
<span class="lineNum">     149 </span>            :              allocator&lt;_Tp&gt;&amp;)
<span class="lineNum">     150 </span>            :     {
<span class="lineNum">     151 </span>            :       _Destroy(__first, __last);
<span class="lineNum">     152 </span>            :     }
<span class="lineNum">     153 </span>            : 
<span class="lineNum">     154 </span>            : _GLIBCXX_END_NAMESPACE_VERSION
<span class="lineNum">     155 </span>            : } // namespace std
<span class="lineNum">     156 </span>            : 
<span class="lineNum">     157 </span>            : #endif /* _STL_CONSTRUCT_H */
<span class="lineNum">     158 </span>            : 
</pre>
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